异时亚种

The plains zebra is a close relative of the quagga, extinct since 1883. But according to members of the Quagga Project in Cape Town, South Africa. The foal seen running with its herd of plains zebras is a quagga. His name's Harley and he was born in

发表于:2018-12-26 / 阅读(27) / 评论(0) 分类 自然百科2008年

The plains zebra is a close relative of the quagga, extinct since 1883. But according to members of the Quagga Project in Cape Town, South Africa. The foal seen running with its herd of plains zebras is a quagga. His name's Harley and he was born in

发表于:2018-12-30 / 阅读(63) / 评论(0) 分类 国家地理2008年

By Claudia Blume Hong Kong 24 January 2006 Senior U.S. health officials say that in addition to preparing medical professionals at home for a possible avian influenza pandemic, they are emphasizing gl

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 2006年VOA标准英语(一月)

Clinton Global Initiative Wraps NY Meeting The explosive growth of the worlds population figured in several CGI discussions over the past three days. Judith Rodin, president of the Rockefeller Foundation, underscored the ramifications for food securi

发表于:2019-01-13 / 阅读(40) / 评论(0) 分类 VOA标准英语2012年(九月)

Global Health Faces Big Industry Challenges The 8th Global Conference on Health Promotion is underway in Helsinki, Finland. The meeting focuses on how public policy can meet the health challenges of a growing and changing global population. WHO Direc

发表于:2019-01-14 / 阅读(42) / 评论(0) 分类 VOA标准英语2013年(六月)

What age would you like to live to? Many people often live to a ripe old age, but 'Lonesome George', a giant tortoise, was estimated to have been over 100 years old. This week his keeper of 40 years, Fausto Llerena, sadly found him dead in his enclos

发表于:2019-02-21 / 阅读(23) / 评论(0) 分类 英语听力精选进阶版
学英语单词
aluminium-clad uranium
apothecaries scruple
arterio-capillary fibrosis
ballast trim
Bibliodrama
bimolecular elimination with formation of a carbonyl group
blunt forth/out
boston baked beanss
cardiac tamponade
Cefetamate
celebenses
chalaiss
channel gating
Chinese-script structure
chromatophore
condron
consumptive thirst
contouring system
conveying band
cuticle oil
cypriacis mirabilis (kurosawa)
D-3hydroxybutyric acid
difference beam
Dionysus
dorad
editorial cartoonist
Ekman spirals
electroradio-immunoassay
embarkation officer
Euphorbia inderiensis
evoked
excessive vegetative growth
Filipstad
fire opals
foreskinning
funneled pipe
galagonids
heinas
homeophone
human risk
i-umlaut
iirc
illigant
infra-red ray
infractor
kefir, kefyr
kilo-grays
Komun'go
larraine
liquid-filled fiber
liver bud
Maasin
majors on
mass rapid transit law
midnites
minizone
mizzis
molybdenum feed retainer
momentum thickness of boundary layer
mountebankisms
multiloquent
out of frame
ovarian follicular Fluid
Oxetaeaine
paste carburizing
PCCI
pile carpet
Podaxaceae
pornobiography
programme parade
pulmometry
punching-and-shearing machine
Pākurigaon
Quipar, R.
rapid cooling crack
regrips
Ridikot
right projection
saw tooth antenna
Saxifraga tibetica
self parody
sessionographies
shoe lace
skew-coil winding
starlitz
stillton
streptotibine
suborder Hystricomorpha
syndrome of superficies attacked by summer-heat-dampness
text color
torsion shaft
trifleth
trumped
uncollided neutron flux
unransacked
ventricular valve
verrucoid nevus
Warpe
washboard moraines
wish someone at the devil
wood fret
Yoro-kawa